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Coatings of Hybrid Films Prepared from CH3Si(OC2H5)3 and Blocked Isocyanate on Stainless Steel Sheets

IZUMI, Keiji ; IWAMIZU, Yoshiharu ; SHIMIZU, Takeshi ; MINAMI, Tsutomu

Journal of the Ceramic Society of Japan, 2000/11/01, Vol.108(1263), pp.1016-1019

Tokyo: The Ceramic Society of Japan

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Título:
Coatings of Hybrid Films Prepared from CH3Si(OC2H5)3 and Blocked Isocyanate on Stainless Steel Sheets
Autor: IZUMI, Keiji ; IWAMIZU, Yoshiharu ; SHIMIZU, Takeshi ; MINAMI, Tsutomu
Assuntos: Adhesion ; Applied sciences ; Blocked isocyanate ; Coating ; Exact sciences and technology ; Hybrid ; Inorganic-organic ; Mechanical property ; Metals. Metallurgy ; Methyltriethoxysilane ; Nonmetallic coatings ; Production techniques ; Sol-gel method ; Stainless steel sheet ; Surface treatment
É parte de: Journal of the Ceramic Society of Japan, 2000/11/01, Vol.108(1263), pp.1016-1019
Descrição: Coating films prepared from methyltriethoxysilane (MTES) showed flexibility and good adhesion to stainless steel sheets (SUS). However, it is necessary for the coated SUS substrates to have more flexibility in the practical use, because these materials are usually subjected to the vigorous forming processes in the practical use. In this study, organic-inorganic hybrid coatings were prepared by the incorporation of the blocked isocyanate into the sol prepared from MTES. It was found that the thermally altered blocked isocyanate, and free N=C=O groups were regenerated, which were successfully cross-linked to the inorganic network derived from MTES during the firing process. Elongation of the hybrid films was increased with an increase in the content of incorporated blocked isocyanate. Adhesion of the MTES-derived coating films to SUS substrates was drastically improved by the hybridization. The good adhesion of the hybrid films was achieved by suppression of the crack formation at the bent portions.
Editor: Tokyo: The Ceramic Society of Japan
Idioma: Inglês

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Coatings of Hybrid Films Prepared from CH3Si(OC2H5)3 and Blocked Isocyanate on Stainless Steel Sheets

IZUMI, Keiji ; IWAMIZU, Yoshiharu ; SHIMIZU, Takeshi ; MINAMI, Tsutomu

Tokyo: The Ceramic Society of Japan

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